Seat, Valve4820-01-317-8850

NSN 4820-01-317-8850 · NIIN 013178850 · Part number MH3440112500

Survival Systems International, Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0GZT5

Government record, cited

NSN 4820-01-317-8850 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-317-8850. Manufacturer of record part number: MH3440112500.

Also searched as 4820-01-317-8850 · 4820013178850 · NIIN 013178850 · 01-317-8850 · FSC 4820 Valves, Nonpowered · CAGE 0GZT5 · MH3440112500 · 34401-12500

Nearby stock numbers ← 4820-01-317-8839 Valve, Check · 4820-01-317-8857 Valve, Vent →

4820-01-317-8850 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Survival Systems International, Inc

Identification

NSN: 4820-01-317-8850
NIIN: 013178850
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MH3440112500
Manufacturer: Survival Systems International, Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-317-8850, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Survival Systems International, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Survival Systems International, Inc (CAGE 0GZT5); Frydenbo Forward As (CAGE N0485)

Technical Specifications

Parameter	Value
NSN	4820-01-317-8850
Primary Part Number	MH3440112500
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Survival Systems International, Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
MH3440112500 PRIMARY	Survival Systems International, Inc (USA)
34401-12500	Frydenbo Forward As (NOR)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-317-8850?

NSN 4820-01-317-8850 is a Seat,valve, manufactured by Survival Systems International, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-317-8850?

NSN 4820-01-317-8850 has 2 manufacturer part numbers on file: MH3440112500 (Survival Systems International, Inc), 34401-12500 (Frydenbo Forward As).

Is NSN 4820-01-317-8850 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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